Http://teachingamericanhistory.org/lessonplans/act1/
this link should help you
Explanation:
The aggregate demand curve is downward sloping. It implies price levels are falling and the quantity of output will increase as well as the domestic income. The theories that can explain why the aggregate demand curve is downward sloping: the Pigou's wealth effect, the Keynes's interest-rate effect, and the and Mundell-Fleming's exchange-rate effect.
Answer:
An exponent is a quantity representing the power to which a given number or expression is to be raised, usually expressed as a raised symbol beside the number or expression.
Explanation:
For example, 2^3 (you will see this ususally with like 2 and the 3 will be smaller next to the 2). What this means is 2x2x2 which equals 8.
D) selecting random sample allows for a more representative sample in a survey.
